| description | title | ms.date | f1_keywords | helpviewer_keywords | ||
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Learn more about: Compiler Warning (level 4) C4310 |
Compiler Warning (level 4) C4310 |
10/17/2023 |
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cast truncates constant value
A constant value is cast to a smaller type. The compiler performs the cast, which truncates data. The following sample generates C4310:
// C4310.cpp
// compile with: /W4
int main()
{
long int a;
a = (char) 128; // C4310, use value 0-127 to resolve
}